About This Guide
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• Sequential lists (for example, those that describe step-by-step procedures) appear as numbered lists.
Related Documents and Software
The following documents provide more information about the tablet.
• ET51/56 Quick Reference Guide, p/n MN-003332-xx
• ET51/56 Integrator Guide for Android 8.1.0 Oreo, p/n MN-003458-xx
For the latest version of this guide and all guides, go to: www.zebra.com/support
.
Service Information
If you have a problem with your equipment, contact Customer Support for your region. Contact information is
available at: www.zebra.com/support
.
When contacting support, please have the following information available:
• Serial number of the unit (found on manufacturing label)
• Model number or product name (found on manufacturing label)
• Software type and version number
• IMEI number.
Customer Support responds to calls by email or telephone within the time limits set forth in support agreements.
If the problem cannot be solved by Customer Support, you may need to return the equipment for servicing and will
be given specific directions. We are not responsible for any damages incurred during shipment if the approved
shipping container is not used. Shipping the units improperly can possibly void the warranty. Remove the SIM card
and/or microSD card from the device before shipping for service.
If the device was purchased from a business partner, contact that business partner for support.
Provide Documentation Feedback
If you have comments, questions, or suggestions about this guide, send an email to EVM-Techdocs@zebra.com.